What is DMRS (demodulation reference signal)?

The DMRS is explicit for specific UE. It is utilized to examine the radio channel. The framework can beamform the DMRS, keep it inside a scheduled asset, and send it only when essential in DL or UL. This is a reference signal for PUSCH shows that eNodeB would not have the option to decode PUSCH when PUSCH DMRS is not correct. It is utilized by a receiver for radio channel assessment for demodulation of related physical channels. PUSCH DMRS consistently takes up the center symbol of a slot.